Update: You can get the Retina Display version here: http://blog.twg.ca/2010/11/retina-display-icon-set/
They are licensed under a Creative Commons Attribution-Share Alike license. You may use the icons for both commercial and non-profit purposes, as well as modify them (in fact we challenge you to make ‘em better).
Source: http://blog.twg.ca
Download all sizes here: TWG Retina Icons Zip
Enjoy everyone, and send your karma over to Alex Shutin for his amazing design work!
